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tommyaberman
02.03.2020 •
Mathematics
StartLayout Enlarged left-brace 1st row x² + y² = 25 2nd row 2x + y = 25 EndLayout 0, –5) and (–5, 5) (0, –5) and (5, –15) (0, –5) and (–4, 3) (0, –5) and (4, –13)
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Ответ:
The line does not intersect the curve
Step-by-step explanation:
Assuming that we are looking for the points of intersection of
and
We make y the subject in the second equation to get:
When we substitute into the first equation:
Let us expand to get:
We obtain the standard form
Divide through by 5
The discriminant is
Hence the quadratic equation has no real roots.
This means the line and point has no point of intersection.
Ответ:
168
Step-by-step explanation:
34 + 58 + 100 = 192
360 - 192 = 168